Transient Numerical Analysis of Free Convection in Cylindrical Enclosure

A transient two dimensional study of free convection in a vertical cylinder partially annulus is conducted numerically. Uniform temperature is imposed cross a vertical wall, while the top and bottom walls are adiabatic. The governing equations are solved numerically by using a finite volume method....

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Bibliographic Details
Published in:MATEC Web of Conferences 2020, Vol.307, p.1029
Main Authors: Medebber, Mohamed Amine, Retiel, Nourddine, Ould said, belkacem, Aissa, Abderrahmane, El Ganaoui, Mohammed
Format: Article
Language:English
Subjects:
Algorithms
Finite volume method
Free convection
Numerical analysis
Velocity distribution
Vertical cylinders
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Summary:A transient two dimensional study of free convection in a vertical cylinder partially annulus is conducted numerically. Uniform temperature is imposed cross a vertical wall, while the top and bottom walls are adiabatic. The governing equations are solved numerically by using a finite volume method. The coupling between the continuity and momentum equations is effected using the SIMPLER algorithm. Solutions have been obtained for Prandtl numbers equal to 7.0, Rayleigh numbers of 10 3 to 10 6 and height ratios 0.5. The influence of physical and geometrical parameters on the isotherms, velocity fields, average Nusselt has been numerically investigated.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/202030701029